Propeller fan



FIG. 1 is a top, front, and right side perspective view of our design for a propeller fan;

FIG. 2 is a front view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a back side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof. 

The ornamental design for a propeller fan, as shown. 